161606010564126 has 12 divisors (see below), whose sum is σ = 350146356222312. Its totient is φ = 53868670188036.

The previous prime is 161606010564059. The next prime is 161606010564137. The reversal of 161606010564126 is 621465010606161.

161606010564126 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 0 + 60 + 1 + 0 + 564 + 1 + 26 = 666.

It is a super-2 number, since 2×161606010564126² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4489055848986 + ... + 4489055849021.

It is an arithmetic number, because the mean of its divisors is an integer number (29178863018526).

Almost surely, 2^{161606010564126} is an apocalyptic number.

161606010564126 is an abundant number, since it is smaller than the sum of its proper divisors (188540345658186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161606010564126 is a wasteful number, since it uses less digits than its factorization.

161606010564126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978111698015 (or 8978111698012 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 161606010564126 in words is "one hundred sixty-one trillion, six hundred six billion, ten million, five hundred sixty-four thousand, one hundred twenty-six".